Month: November 2022

Flotation of carbonaceous copper shale-quartz mixture with poly(ethylene glycol) alkyl ethers was written by Kowalczuk, Przemyslaw B.;Zaleska, Emilia;Danczak, Oliver. And the article was included in Transactions of Nonferrous Metals Society of China in 2015.Safety of 2-(2-(Hexyloxy)ethoxy)ethanol The following contents are mentioned in the article:

The influence of different poly(ethylene glycol) alkyl ethers (C_nH_2n+1O(C₂H₄O)_mH, C_nE_m) on flotation of carbonaceous copper shale mixed with quartz as a gangue mineral was investigated. The results show that all of the ethers C₄E₁, C₄E₂, C₄E₃, C₂E₂, C₆E₂ investigated can be used for the flotation of carbonaceous copper shale. The best selectivity of separation in the flotation of the carbonaceous copper shale and quartz mixture is obtained with the C₄E₂ and C₂E₂ ethers. The obtained data can be used for developing separation of organic carbon present in carbonaceous shale at a rougher flotation stage on an industrial scale. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Safety of 2-(2-(Hexyloxy)ethoxy)ethanol).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Safety of 2-(2-(Hexyloxy)ethoxy)ethanol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Efficient Stereoselective Carbocyclization to cis-1,4-Disubstituted Heterocycles Enabled by Dual Pd/Electron Transfer Mediator (ETM) Catalysis was written by Zhu, Can;Liu, Jie;Mai, Binh Khanh;Himo, Fahmi;Baeckvall, Jan-E.. And the article was included in Journal of the American Chemical Society in 2020.SDS of cas: 1003858-50-1 The following contents are mentioned in the article:

In the presence of Pd(OAc)₂ and a bis(hydroxyphenyl)salen cobalt complex acting as an electron transfer mediator, allylic enallenyl ethers such as I underwent diastereoselective tandem aerobic coupling and cyclization reactions with arylboronic acid neopentyl glycol esters to yield (arylmethyl)dialkenyldihydropyrans such as II and a dialkenyltetrahydropyridine as the cis-diastereomers in >8:1 dr. The mechanism of the reaction was studied using kinetic isotope effect (KIE) experiments, reactions of substrates with altered structures, and calculations of potential transition state structures and their energies; the alkene moiety of the eneallene is necessary both to facilitate C-H bond cleavage and to control product diastereoselectivity, while KIE indicated that C-H bond cleavage is the rate-limiting step. This study involved multiple reactions and reactants, such as 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1SDS of cas: 1003858-50-1).

2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.SDS of cas: 1003858-50-1

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Distorted zinc coordination polyhedra in bis(1-ethoxy-2-{[(2-methoxyethyl)imino]methyl}propan-1-olato)zinc, a possible CVD precursor for zinc oxide thin films was written by Johnson, Keneshia O.;Brown, Antionette;Farris, Gabriella;Starks, Alexabria;Butcher, Ray J.;Matthews, Jason S.. And the article was included in Acta Crystallographica in 2022.Related Products of 109-85-3 The following contents are mentioned in the article:

A new metal-organic precursor for the chem. vapor deposition of zinc oxide thin films, [Zn(C₉H₁₆NO₃)₂], has been synthesized and characterized by ¹H and ¹³C NMR spectroscopy, single-crystal X-ray diffraction and thermogravimetric anal. The asym. unit of the title compound consists of two mols. (Z′ = 2), with different zinc coordination polyhedra. In one mol., the metal atom is in a distorted trigonal-bipyramidal ZnN₂O₃ environment (τ5 = 0.192) with a long bond to an ether O donor atom [Zn-O = 2.727 (6) Å]. In the other, the Zn atom is in a distorted ZnN₂O₄ octahedral environment with long bonds to the ether O donors of both ligands [Zn-O = 2.514 (4) and 2.661 (4) Å; O-Zn-O = 82.46 (14)°]. The crystal structure features weak C-H····O interactions. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Related Products of 109-85-3).

2-Methoxyethylamine (cas: 109-85-3) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Related Products of 109-85-3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Frother function-structure relationship: Dependence of CCC95 on HLB and the H-ratio was written by Finch, James A.;Zhang, Wei. And the article was included in Minerals Engineering in 2014.Category: ethers-buliding-blocks The following contents are mentioned in the article:

Although the number and diversity of com. frothers has steadily increased to meet flotation industry demands, frother selection is still mainly empirical. As part of a general structure-property study, the paper presents a correlation between the critical coalescence concentration (CCC95) and H-ratio for surfactants used as flotation frothers. The CCC95 were determined in 0.8 m³ mech. flotation cell. The H-ratio was a substitution of hydrophile-lipophile balance (HLB) and determined through high resolution proton NMR (¹H NMR) spectrometry. A large data set, consisting of 45 surfactants from four frother families, was used to develop the correlation. It is shown that the H-ratio can substitute for HLB. The potential of NMR both to identify the frother family and to derive the H-ratio in predicting CCC95 for com. frothers is discussed. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Category: ethers-buliding-blocks).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Category: ethers-buliding-blocks

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

NADES-based surfactant-free microemulsions for solubilization and extraction of curcumin from Curcuma Longa was written by Huber, Verena;Muller, Laurie;Degot, Pierre;Touraud, Didier;Kunz, Werner. And the article was included in Food Chemistry in 2021.HPLC of Formula: 33171-05-0 The following contents are mentioned in the article:

A choline chloride + lactic acid (1:1) natural deep eutectic solvent (NADES) is used as an adjuvant to ethanol/triacetin mixtures to solubilize and extract curcumin from Curcuma Longa. The obtained NADES/ethanol/triacetin mixtures are homogeneous, transparent and of low viscosity even in the absence of water. Dynamic light scattering revealed significant nanostructures, typical of surfactant-free microemulsions. A twofold increase of curcumin solubility and remarkable extraction power (yield of ∼90%) can be achieved in the ternary system including the NADES, although curcumin is hydrophobic and the used NADES are very polar. Due to the elevated solubility of curcumin, more extraction cycles can be made than in the previously published aqueous systems with the same amount of solution As a result, less solvent is required to achieve the same extraction yield. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0HPLC of Formula: 33171-05-0).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.HPLC of Formula: 33171-05-0

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Photochemical Ring Contraction of 5,5-Dialkylcyclopent-2-enones and in situ Trapping by Primary Amines was written by Jeremias, Noah;Peschel, Martin T.;Jaschke, Constantin;de Vivie-Riedle, Regina;Bach, Thorsten. And the article was included in Journal of Organic Chemistry.Formula: C3H9NO The following contents are mentioned in the article:

If substituted in the 5,5-position, cyclopent-2-enones undergo a smooth photochem. rearrangement to ketenes. A concomitant cyclopropane formation occurs due to a 1,3-shift of the C5 carbon atom from the carbonyl carbon atom (C1) to carbon atom C3. In this study, the cyclopropyl-substituted ketene intermediates were trapped in situ by primary amines providing an efficient entry into 2,2-disubstituted cyclopropaneacetic amides (24 examples, 49-95% yield). A remarkable feature of the reaction is the fact that the photochem. rearrangement can occur from either the first excited singlet (S₁) or the resp. triplet state (T₁). In line with exptl. results (triplet quenching, sensitization), XMS-CASPT2 calculations support the existence of efficient reaction pathways to the intermediate ketene both on the singlet and on the triplet hypersurface. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Formula: C3H9NO).

2-Methoxyethylamine (cas: 109-85-3) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Formula: C3H9NO

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Synthesis, functionalization, and isolation of planar-chiral pillar[5]arenes with bulky substituents using a chiral derivatization agent was written by Al-Azemi, Talal F.;Vinodh, Mickey;Alipour, Fatemeh H.;Mohamod, Abdirahman A.. And the article was included in RSC Advances in 2019.Recommanded Product: 4-Benzyloxyphenol The following contents are mentioned in the article:

Bulky perneopentyloxy-pillar[5]arene (Pillar-1) I was synthesized and its conformational mobility was investigated using variable-temperature ¹H NMR spectroscopy. The host-guest interactions between Pillar-1 I and n-octyltrimethylammonium hexafluorophosphate (OMA) were investigated, and the formation of a 1 : 1 complex was revealed via¹H NMR. Planar-chiral isomers R/S II were synthesized via the reaction of a hydroxy-functionalized pillar[5]arene with chiral derivatization agent (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl chloride. The (Sp, R)-and (Rp, R)-forms of the pillar[5]arene diastereomers R/S II were isolated by HPLC, and their structures were analyzed by ¹⁹F NMR. HPLC measurements indicated that racemization did not take place at 40 °C for 72 h. This study involved multiple reactions and reactants, such as 4-Benzyloxyphenol (cas: 103-16-2Recommanded Product: 4-Benzyloxyphenol).

4-Benzyloxyphenol (cas: 103-16-2) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Recommanded Product: 4-Benzyloxyphenol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

3-Vinyl oxindole-chromone synthon as a skeletal reconstruction reactant for the synthesis of 2-hydroxy benzoyl pyridones was written by Zhang, Lei;Liu, Ren-Ming;Wang, Wei-Na;Liu, Xiong-Li;Dai, Yi-Feng;Yu, Zhang-Biao;Peng, Li-Jun. And the article was included in New Journal of Chemistry in 2022.Quality Control of 2-Methoxyethylamine The following contents are mentioned in the article:

The first example of ring-opening and recyclization reaction of 3-vinyl oxindole-chromones I [R¹ = H, 4-F, 5-Br, etc.; R² = H, 5-F, 4-Cl, etc.] as versatile synthons, which can react with ammonia or primary aliphatic amines as binucleophiles was developed, serving as a fruitful strategy for the eco-friendly and atom-economic synthesis of a new family of skeletally diverse 2-hydroxy benzoyl pyridones II [R³ = H, CH₂CH₂OMe, CH₂CH₂CN, etc.] with high to excellent yields (70-92%). The advantages of this methodol., including the use of easily available raw materials and the catalyst-free, wide functional group tolerance, and gram-scale synthesis, make the developed methodol. a practical way to access important biol. active 2-hydroxy benzoyl pyridone mols. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Quality Control of 2-Methoxyethylamine).

2-Methoxyethylamine (cas: 109-85-3) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Quality Control of 2-Methoxyethylamine

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Beyond Directed Ortho Metalation: Ruthenium-Catalyzed Amide-Directed C_Ar-N Activation/C-C Coupling Reaction of Anthranilamides with Organoboronates was written by Zhao, Yigang;Snieckus, Victor. And the article was included in Organic Letters in 2014.Electric Literature of C12H17BO3 The following contents are mentioned in the article:

A new, catalytic, and general methodol. for the synthesis of biaryls and heterobiaryls by the cross coupling of anthranilamide derivatives (o-NMe₂ benzamides) with aryl boroneopentylates is described. The reaction proceeds under catalytic RuH₂(CO)(PPh₃)₃ conditions driven by the activation of the unreactive C-N bond by amide directing group (DG)-Ru catalyst chelation. E.g., in presence of RuH₂(CO)(PPh₃)₃ in toluene, reaction of aryl boroneopentylate (I) with 2-Me₂NC₆H₄CONEt₂ gave 99% biaryl derivative (II). High regioselectivity, orthogonality with the Suzuki-Miyaura reaction, operational simplicity, and convenient scale-up are features of these reactions which may lend themselves to industrial applications. This study involved multiple reactions and reactants, such as 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1Electric Literature of C12H17BO3).

2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1) belongs to ethers. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Electric Literature of C12H17BO3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Effect of different extraction agents on enrichment of active components from wood vinegar was written by Lu, Xincheng;Jiang, Jianchun;He, Jing;Sun, Kang;Sun, Yunjuan. And the article was included in Linchan Huaxue Yu Gongye in 2020.Product Details of 2380-78-1 The following contents are mentioned in the article:

The enrichment effect of different extraction agents on active components of wood vinegar from waste fir plate was studied. The results showed that different extraction agents exhibited different effects on the enrichment of active components in wood vinegar. Et acetate, chloroform and ether exhibited good enrichment effect on phenolic substances, which ether present better extraction performance; Et acetate and chloroform had good enrichment effect on ketones. Three extractants had no obviously enrichment effect on esters, aldehydes and alcs., and they were not conducive to the enrichment of acid substances. Methanol addition was contributed to increase the enrichment effect of ether on phenolic substances. When the volume ratio of ether to methanol was 2:1, GC content of phenolic compounds reached to 66%, which was 1.96 times that of un-treated wood vinegar. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Product Details of 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Product Details of 2380-78-1

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem